LM2662MX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2662MX/NOPB is a switched capacitor voltage converter manufactured by Texas Instruments, designed to invert or double input voltages within the 1.5V to 5.5V range. It provides an output current of 200mA with an adjustable negative output voltage ranging from -1.5V to -5.5V. The device operates at selectable oscillator frequencies of 20kHz or 150kHz and features a low quiescent current of 300µA. It includes a shutdown mode reducing static current to 10µA and is housed in an SOIC-8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Inverts positive input voltages to corresponding negative outputs using two external capacitors
• Supports dual oscillator frequency selection via the FC pin for EMI optimization
• Enables external clock driving capability through the OSC pin
• Provides low-power shutdown functionality to minimize standby consumption

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered systems requiring efficient voltage inversion
• Communication and network equipment power management
• Computer peripheral circuits needing negative rail generation
• Consumer electronics utilizing charge pump topology

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix MX against official datasheets to confirm package type and tape-and-reel configuration. Ensure compatibility with required operating temperature ranges and check for RoHS compliance status as indicated in the manufacturer's documentation. Confirm that external component values align with the specified electrical characteristics for optimal performance.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, inductor-free solution is required for generating negative voltages from a single positive supply. Consider the 200mA output limit and the efficiency trade-offs associated with switched capacitor topologies compared to inductive converters. Evaluate the need for frequency control features to meet electromagnetic interference requirements in sensitive applications.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2662 series of switched capacitor voltage converters from Texas Instruments. It shares functional similarities with other devices in the family but is distinguished by its specific output current capabilities and package options. The series is designed for applications prioritizing size reduction and simplicity over high-power delivery.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2662M/NOPB is a documented variant within the same product line offering identical electrical specifications.